supercritical carbon dioxide–based sterilization of decellularized heart valves

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ID: 149113
2017
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Abstract
Summary: Sterilization of grafts is essential. Supercritical carbon dioxide, electrolyzed water, gamma radiation, ethanol-peracetic acid, and hydrogen peroxide techniques were compared for impact on sterility and mechanical integrity of porcine decellularized aortic valves. Ethanol-peracetic acid– and supercritical carbon dioxide–treated valves were found to be sterile using histology, microbe culture, and electron microscopy assays. The cusp tensile properties of supercritical carbon dioxide–treated valves were higher compared with valves treated with other techniques. Superior sterility and integrity was found in the decellularized valves treated with supercritical carbon dioxide sterilization. This sterilization technique may hold promise for other decellularized soft tissues. Key Words: decellularized, decontamination, heart valve, tensile properties, tissue engineering
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md2017jacc:supercritical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Ryan S. Hennessy, MD;Soumen Jana, PhD;Brandon J. Tefft, PhD;Meghana R. Helder, MD;Melissa D. Young, PhD;Rebecca R. Hennessy, MD;Nicholas J. Stoyles, BS;Amir Lerman, MD
Journal journal of nuclear materials
Year 2017
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